from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Plural form of pinna.


Sorry, no etymologies found.


  • The cocks also have tufts of feathers several inches long at the base of their neck, which are known as pinnae; usually pressed flat, the pinnae are extended during courtship.

    Chicago Reader

  • She had rings on her fingers and bells on her toes and I knew without asking she was into sticking tampons in her external pinnae ….

    Think Progress » Limbaugh stands by his Haiti remarks, tells critical caller she’s a ‘bigot’ with ‘tampons in her ears.’

  • Although turning the pinnae still remains impossible for human beings according to its anatomic features, the advantages of pointed ears can be enjoyed once again with the help of a simple, routine operation.

    Boing Boing

  • The other reason is the own frequency of the pinnae, as being solid objects themselves, which changes together with their shape.

    Boing Boing

  • And just like us, they must bring attention to a noise to hear it best—first apparent in the familiar tilt of the head, to direct the ears slightly toward the sound source, or in radar-dish adjustments of the pinnae.


  • The practice of cropping ears, severing the pinnae to make floppy ears stand upright, long mandated in many breed standards, is becoming less popular.


  • While both genera are similar in their velvety fur and sharp demarcation between dark upperside and white underside, they differ in that Nilopegamys is larger, with broader feet that possess hairy margins, and with proportionally smaller ear pinnae.

    Archive 2006-03-01

  • Yesterday I was asked if Megazostrodon (a basal mammaliaform from Lower Jurassic Lesotho) should be depicted with ‘ear flaps’ (= pinnae).

    Archive 2006-01-01

  • So it is ok to assume pinnae in the mammalian common ancestor after all.

    Archive 2006-01-01

  • One, the lower one, is clearly an adult with full "horns" (or pinnae) and a long tail.

    grouse Diary Entry


Log in or sign up to get involved in the conversation. It's quick and easy.

  • Sound waves impinge on the eardrums and pinnae (the fleshy parts of your ear), setting off a chain of mechanical and neurochemical events, the end product of which is an internal mental image we call pitch.
    Daniel J. Levitin, This Is Your Brain on Music: The Science of a Human Obsession (New York: Penguin Random House, 2007), p. 24

    Sing. pinna

    June 19, 2017